Fig. 1: El
Greco. Public domain. Original painting is in the Museo de Santa
Cruz, Toledo, Spain.
Fig. 2:
Anonymous picture from St. Catherine's Monasery, Egypt.
Fig. 3:
Photograph, the author; Anamorphic drawing: Edgar Mueller.
Fig. 4:
Geometry of an idealised pinhole camera. Produced by Kyle
Simek and released under CC BY-NC-SA 3.0.
Fig. 5:
Albrecht Duerer: Draughtsman Making a Perspective Drawing of a
Reclining Woman. Ca. 1600.
Fig. 6:
Top left: John Constable, Water Meadows near Salisbury
(1829/30). Top right: A tree. Bottom left: Raphael, Crucifiction
(1502/3). Bottom left, Rugby tackle photographed by George Jackson
for Queensland Newspapers, (1938).
Fig. 7:
Left: screen grab from Un Chien Andolou (1929). Right: A strongly
perspectival scene by Hans Vredeman de Vries (1605).
Fig. 8:
Illustration from the 1664 edition of The Treatise of
Man by Descartes. The pineal is labelled H, and its anatomical
location is inaccurate.